Kazbekovsky District (Russian: Казбе́ковский райо́н) is an administrative and municipal district (raion), one of the forty-one in the Republic of Dagestan, Russia. It is located in the west of the republic. The area of the district is 723 square kilometers (279 sq mi). Its administrative center is the rural locality (a selo) of Dylym. As of the 2010 Census, the total population of the district was 42,752, with the population of Dylym accounting for 20.2% of that number.